If you receive quality service then a size-able tip is what you should give, We can agree there. What Dr. Ken Harris doesn’t agree with is the set standard in the service industry for tipping. If you haven’t even received the service yet then why is there a tip amount already included? Then Dr. Ken Harris has a random question, what products have you used for reasons other than their intended use? For example, have you ever used Hydrogen peroxide as a stain remover?